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Math

02/16/24

The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

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Math

02/16/24

The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

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Math

02/16/24

Dimensions of a rectangle

The area of a rectangle is 250 the length is five feet longer than twice the width, what are its dimensions

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Math Biology Microbiology

02/16/24

I want aqueous extracts of these, how to get?

i want diff concentrations of water extracts for thrmeric & garlic. i put examples in pics but i need a step by step procedure because idk which pne to follow. like if it's a paste instead of... more

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Math

02/16/24

Jimmy had two wooden sticks of the same length. He cut the first stick into 5 cm pieces and drew 3 yellow dots on each piece. He then cut the second stick into 7 cm pieces and drew 8 pink dots on... more

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Math

02/16/24

Word Problem Question

At a toy store, 4 toy cars were sold at $15 and 3 teddy bears were sold at #20. Tim only bought toy cars and Justin only bought teddy bears from the store. They spent the same amount of money but... more

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Math Algebra 1 Algebra 2 Linear Algebra

02/16/24

Linear Algebra Determinants

Let A = [(a-1) -2 2 -1 (a-3) 1 -1 -4 (a+2)] 3x3 matrix(a) For what values of a will the homogenous system Ax = 0 have infinitely many solutions ?(b) For each values of a found in (a) write down the... more

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Math Algebra 1 Algebra 2 Linear Algebra

02/16/24

Linear Algebra Matrices / Determinant

R2-2R1 R3-3R1A ————>————> [1 0 2 0 2 a 0 0 b] 3x3 matrix.[1 0 2 0 2 a 0 0 b] <——<———<————<————R2R2 -5R3 R2-R3 R1+2R3(a) Determine the values of a and b such that A is singular(b)... more

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Math Precalculus Trigonometry

02/15/24

How many seconds of the ride (1 full revolution) are spent higher than 12 meters above the ground?

A Ferris wheel is 10 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform.The function... more

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Math Physics

02/15/24

If the pressure in the pipe is 8830 N/m2 and in the constricted section is 6622.5 N/m2 , what is the rate at which oil is flowing? Answer in units of m^3/s.

A horizontal pipe of diameter 0.769 m has a smooth constriction to a section of diameter 0.4614 m . The density of oil flowing in the pipe is 821 kg/m ^3 . If the pressure in the pipe is 8830 N/m2... more

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Math

02/15/24

The school librarian ordered new books. Of the books 1/3 are science 2/5 are biographies and the rest are fictio. What fraction of the books ordered are fiction?

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Math

02/15/24

Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

A couple of friends decide to race each other. Isaiah can run 7 meters per second, whereas Brett can run 8 meters per second. Because he is slower, Isaiah also gets a head start of 21 meters.... more

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Math Physics

02/15/24

Please find the gauge pressure of the water flowing through the smaller pipe Atmospheric pressure is 1.013 × 10^5 Pa .

Water flows at speed of 5.4 m/s through a horizontal pipe of diameter 3.2 cm . Supposea thick pipe is connected to a thinner pipe. In the first pipe the gauge pressure P1 of thewater is 1.7 atm .... more

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Math

02/15/24

Find the equation of the exponential function represented by the table below: xx yy 00 44 11 1212 22 3636 33 108108

help

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Math Algebra 1 Algebra 2 Linear Algebra

02/15/24

Linear Algebra & Linear Systems

Consider the linear systemx1 + x2 - bx3 + (b-a)x4 = b-2x1 + ax2 - bx3 = 12x1 + 2x2 + ax4 = 0x1 + x2 -bx3 = 0for some real numbers a, b = R(a) Determine the values of a and b such that the system... more

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Math Linear Algebra

02/15/24

Linear Algebra & Linear Systems & Symmetric Matrices

Let A = [1 -1 0 0 1 1 1 0 -1] 3x3 matrix. Find all symmetric matrices B such that AB is a symmetric matrix. How do I do this question I know B is same as it’s transpose

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Math Linear Algebra

02/15/24

Linear algebra linear systems & matrices

Let A = [1 -1 0 0 1 1 1 0 -1] Find all symmetric matrices B such that AB is a symmetric matrix ?

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Math Physics Physical Science Mechanical Engineering

02/15/24

Please help- heat conduction and Newton's law of cooling

Criterion: The heat transfer coefficient is the same for the freezer and the refrigerator.Two bowls of the same size are filled with room-temperature coffee and then placed one in the freezer and... more

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Math

02/15/24

If 6 people want to equally share 2 1/3 of a candy bar, how much of the candy bar will each person get?

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Math

02/15/24

What is the approximate average rate of change over the interval [4, 18]?

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Math

02/14/24

denise has 6 yards of ribbon to make bows. how many bows can she make from the ribbon if each bow uses 3/4 yard of ribbon

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Math

02/14/24

56 as the sum of 4 square numbers

I have it for my maths assignment, there was no support and I have no idea where to start!

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Math

02/14/24

Help with Rewrite this expression using the division symbol and as a fraction :: The quotient of k decreased by 4 and 9

Rewrite this expression using the division symbol and as a fraction :: The quotient of k decreased by 4 and 9

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Math

02/14/24

A bank loaned out $32,000, part of it at the rate of 10% annual interest, and the rest at 12% annual interest. The total interest earned for both loans was $3,500.00. How much was loaned at each rate?

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Math

02/14/24

Comparing linear equation

Which line is Which line in the graph is a transformation of the line Y =-3X after a rotation of 90° counterclockwise around the origin or horizontal shift of 2 units to the left and a vertical... more

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The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

The dealership bought a used car for $3,200 and sold the car for $8,950. What percentage was the mark-up?

Dimensions of a rectangle

I want aqueous extracts of these, how to get?

Word Problem Question

Word Problem Question

Linear Algebra Determinants

Linear Algebra Matrices / Determinant

How many seconds of the ride (1 full revolution) are spent higher than 12 meters above the ground?

If the pressure in the pipe is 8830 N/m2 and in the constricted section is 6622.5 N/m2 , what is the rate at which oil is flowing? Answer in units of m^3/s.

The school librarian ordered new books. Of the books 1/3 are science 2/5 are biographies and the rest are fictio. What fraction of the books ordered are fiction?

Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

Please find the gauge pressure of the water flowing through the smaller pipe Atmospheric pressure is 1.013 × 10^5 Pa .

Find the equation of the exponential function represented by the table below: xx yy 00 44 11 1212 22 3636 33 108108

Linear Algebra & Linear Systems

Linear Algebra & Linear Systems & Symmetric Matrices

Linear algebra linear systems & matrices

Please help- heat conduction and Newton's law of cooling

If 6 people want to equally share 2 1/3 of a candy bar, how much of the candy bar will each person get?

What is the approximate average rate of change over the interval [4, 18]?

denise has 6 yards of ribbon to make bows. how many bows can she make from the ribbon if each bow uses 3/4 yard of ribbon

56 as the sum of 4 square numbers

Help with Rewrite this expression using the division symbol and as a fraction :: The quotient of k decreased by 4 and 9

A bank loaned out $32,000, part of it at the rate of 10% annual interest, and the rest at 12% annual interest. The total interest earned for both loans was $3,500.00. How much was loaned at each rate?

Comparing linear equation

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